MSI GL66 11UCK (251UK Pulse) vs. MSI GS66 11UG (278UK Stealth)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of MSI GL66 11UCK (251UK Pulse) and MSI GS66 11UG (278UK Stealth). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

MSI GL66 11UCK (251UK Pulse) Review

Advantages and disadvantages of MSI GL66 11UCK (251UK Pulse) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

robust cooling system

RGB backlit keyboard

reasonable price point

average battery life

heavy build

limited port selection

noisy under load

MSI GS66 11UG (278UK Stealth) Review

Advantages and disadvantages of MSI GS66 11UG (278UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

sleek, attractive design

robust build quality

good thermal management

relatively expensive

average battery life

heavy for portability

noisy under load

Laptop Comparison and Tests

Difference between MSI GL66 11UCK (251UK Pulse) and MSI GS66 11UG (278UK Stealth)
82 % - Design
75 % - Display
85 % - Performance
85 % - Connectivity
74 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

MSI GL66 11UCK (251UK Pulse) vs. MSI GS66 11UG (278UK Stealth) Comparison Chart
DESIGN AND DIMENSIONS MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.9 cm x 25.9 cm x 2.395 cm 35.8 cm x 24.8 cm x 1.98 cm
Weight 2.3 kg 2.1 kg
Colour Titanium grey Core black
DISPLAY MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1440 (QHD)
V-Sync Rate at Max Res. 144 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Colour Gamut 100% sRGB, 72% NTSC -
Features Anti-glare, IPS-level MSI Matrix Display, narrow-bezel design
PROCESSOR MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
CPU Intel Core i7 (11th Gen) 11800H / 2.3 GHz Intel Core i7 (11th Gen) 11800H / 2.3 GHz
Max Turbo Speed 4.6 GHz 4.6 GHz
Number of Cores 8-core 8-core
Cache 24 MB 24 MB
Chipset Intel HM570 Intel HM570
Features Hyper-Threading Technology, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) Hyper-Threading Technology, Intel Smart Cache, Intel Deep Learning Boost (DL Boost)
MEMORY MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
RAM 16 GB (2 x 8 GB) 32 GB (2 x 16 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 NVIDIA GeForce RTX 3070
Video Memory 4 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features - Max-Q design
Camera Yes - 720p Yes - 720p
Camera Features - IR camera
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers Stereo speakers
Audio Features Nahimic 3D audio -
COMMUNICATIONS MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6 AX 201 Killer Wi-Fi 6E AX1675
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111 -
BATTERY MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Technology 3-cell lithium polymer 4-cell
Battery Capacity (Size) 53.5 Wh 99 Wh
AC ADAPTER MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Output 150 Watt 230 Watt
INPUT MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes (RGB) Yes (RGB)
Features - Per-key RGB
CONNECTIONS & EXPANSIONS MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Interfaces HDMI
USB-C 3.2 Gen 1
2 x USB 3.2 Gen 1
USB 2.0
LAN
Headphone/microphone combo jack
USB-C (supports Thunderbolt 4) (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
3 x USB 3.2 Gen 2
LAN
HDMI
SOFTWARE MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Operating System (OS) Windows 10 Home Windows 10 Home Advanced
Software Included WinZip, Norton Internet Security (60 days trial), SteelSeries Engine 3, MSI Dragon Gaming Center, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI True Color 2.0, Nahimic VR, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player WinZip, Norton Internet Security (60 days trial), SteelSeries Engine 3, MSI Dragon Gaming Center, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI True Color 2.0, Nahimic VR, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player
MISCELLANEOUS MSI GL66 11UCK (251UK Pulse) MSI GS66 11UG (278UK Stealth)
Included Accessories Power adapter Power adapter
Features Cooler Boost 5 technology SteelSeries gaming keyboard, Cooler Boost Trinity+ technology
Manufacturer Warranty Limited warranty - 1 year Limited warranty - 2 years
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